Question #260679

What effect does MnO2 have on the reaction rate of the decomposition of hydrogen peroxide?



Expert's answer

Manganese dioxide catalyzes the decomposition of hydrogen peroxide to oxygen and water. Since manganese dioxide is a catalyst, it is not consumed in the reaction. Normally the activation energy for this uncatalyzed reaction is around 75 KJ/mole (Moelwyn-Hughes).


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